Clamp



FIG. 1 is perspective view of a clamp showing my new design.

FIG. 2 is front elevational view thereof.

FIG. 3 is rear elevational view thereof.

FIG. 4 is left side elevational view thereof.

FIG. 5 is right side elevational view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

CLAIM The ornamental design for a clamp, as shown and described. 